rosapps/templates/dialog/page1.c

   1 /*
   2  *  ReactOS Standard Dialog Application Template
   3  *
   4  *  page1.c
   5  *
   6  *  Copyright (C) 2002  Robert Dickenson <robd@reactos.org>
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #define WIN32_LEAN_AND_MEAN
  24 #include <windows.h>
  25 #include <commctrl.h>
  26 #include <tchar.h>
  27 #include <assert.h>
  28 #include "resource.h"
  29 #include "trace.h"
  30
  31
  32 #define XBITMAP 80
  33 #define YBITMAP 20
  34
  35 #define BUFFER_LEN MAX_PATH
  36
  37 extern HINSTANCE hInst;
  38
  39 HBITMAP hbmpPicture;
  40 HBITMAP hbmpOld;
  41
  42
  43 ////////////////////////////////////////////////////////////////////////////////
  44
  45 static void AddItem(HWND hListBox, LPCTSTR lpstr, HBITMAP hbmp)
  46 {
  47     int nItem = SendMessage(hListBox, LB_ADDSTRING, 0, (LPARAM)lpstr);
  48     SendMessage(hListBox, LB_SETITEMDATA, nItem, (LPARAM)hbmp);
  49 }
  50
  51 static TCHAR* items[] = {
  52     _T("services"),
  53     _T("event log"),
  54     _T("workstation"),
  55     _T("server")
  56 };
  57
  58 static void InitListCtrl(HWND hDlg)
  59 {
  60     TCHAR szBuffer[200];
  61     int i;
  62
  63     HWND hListBox = GetDlgItem(hDlg, IDC_LIST1);
  64
  65     _tcscpy(szBuffer, _T("foobar item"));
  66     SendMessage(hListBox, LB_ADDSTRING, 0, (LPARAM)szBuffer);
  67
  68     for (i = 0; i < sizeof(items)/sizeof(items[0]); i++) {
  69         _tcscpy(szBuffer, items[i]);
  70         SendMessage(hListBox, LB_ADDSTRING, 0, (LPARAM)szBuffer);
  71     }
  72
  73     SetFocus(hListBox);
  74     SendMessage(hListBox, LB_SETCURSEL, 0, 0);
  75 }
  76
  77 static void OnDrawItem(HWND hWnd, LPARAM lParam)
  78 {
  79 //    int nItem;
  80     TCHAR tchBuffer[BUFFER_LEN];
  81 //    HBITMAP hbmp;
  82     TEXTMETRIC tm;
  83     int y;
  84     HDC hdcMem;
  85     LPDRAWITEMSTRUCT lpdis;
  86     RECT rcBitmap;
  87
  88     lpdis = (LPDRAWITEMSTRUCT)lParam;
  89     // If there are no list box items, skip this message.
  90     if (lpdis->itemID != -1) {
  91         // Draw the bitmap and text for the list box item. Draw a rectangle around the bitmap if it is selected.
  92         switch (lpdis->itemAction) {
  93         case ODA_SELECT:
  94         case ODA_DRAWENTIRE:
  95             // Display the bitmap associated with the item.
  96             hbmpPicture = (HBITMAP)SendMessage(lpdis->hwndItem, LB_GETITEMDATA, lpdis->itemID, (LPARAM)0);
  97             hdcMem = CreateCompatibleDC(lpdis->hDC);
  98             hbmpOld = SelectObject(hdcMem, hbmpPicture);
  99             BitBlt(lpdis->hDC,
 100                    lpdis->rcItem.left, lpdis->rcItem.top,
 101                    lpdis->rcItem.right - lpdis->rcItem.left,
 102                    lpdis->rcItem.bottom - lpdis->rcItem.top,
 103                    hdcMem, 0, 0, SRCCOPY);
 104             // Display the text associated with the item.
 105             SendMessage(lpdis->hwndItem, LB_GETTEXT, lpdis->itemID, (LPARAM)tchBuffer);
 106             GetTextMetrics(lpdis->hDC, &tm);
 107             y = (lpdis->rcItem.bottom + lpdis->rcItem.top - tm.tmHeight) / 2;
 108             TextOut(lpdis->hDC, XBITMAP + 6, y, tchBuffer, _tcslen(tchBuffer));
 109             SelectObject(hdcMem, hbmpOld);
 110             DeleteDC(hdcMem);
 111             // Is the item selected?
 112             if (lpdis->itemState & ODS_SELECTED) {
 113                 // Set RECT coordinates to surround only the bitmap.
 114                 rcBitmap.left = lpdis->rcItem.left;
 115                 rcBitmap.top = lpdis->rcItem.top;
 116                 rcBitmap.right = lpdis->rcItem.left + XBITMAP;
 117                 rcBitmap.bottom = lpdis->rcItem.top + YBITMAP;
 118                 // Draw a rectangle around bitmap to indicate the selection.
 119                 DrawFocusRect(lpdis->hDC, &rcBitmap);
 120             }
 121             break;
 122         case ODA_FOCUS:
 123             // Do not process focus changes. The focus caret (outline rectangle)
 124             // indicates the selection. The IDOK button indicates the final selection.
 125             break;
 126         }
 127     }
 128 }
 129
 130
 131 void OnSetFont(HWND hWnd, WPARAM wParam, LPARAM lParam)
 132 {
 133         RECT rc;
 134         WINDOWPOS wp;
 135
 136         GetWindowRect(hWnd, &rc);
 137         wp.hwnd = hWnd;
 138         wp.cx = rc.right - rc.left;
 139         wp.cy = rc.bottom - rc.top;
 140         wp.flags = SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOZORDER;
 141         SendMessage(hWnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)&wp);
 142 }
 143
 144 void OnMeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct)
 145 {
 146     HFONT hFont;
 147         LOGFONT lf;
 148
 149     hFont = GetStockObject(SYSTEM_FONT);
 150     GetObject(hFont, sizeof(LOGFONT), &lf);
 151         if (lf.lfHeight < 0)
 152                 lpMeasureItemStruct->itemHeight = -lf.lfHeight;
 153         else
 154                 lpMeasureItemStruct->itemHeight = lf.lfHeight;
 155 }
 156
 157 LRESULT CALLBACK PageWndProc1(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
 158 {
 159     switch (message) {
 160     case WM_INITDIALOG:
 161         InitListCtrl(hDlg);
 162         return TRUE;
 163     case WM_SETFONT:
 164         OnSetFont(hDlg, wParam, lParam);
 165         return TRUE;
 166     case WM_MEASUREITEM:
 167         OnMeasureItem((LPMEASUREITEMSTRUCT)lParam);
 168         return TRUE;
 169     case WM_DRAWITEM:
 170         OnDrawItem(hDlg, lParam);
 171         return TRUE;
 172     case WM_COMMAND:
 173         switch (LOWORD(wParam)) {
 174         case IDOK:
 175         case IDCANCEL:
 176             break;
 177         }
 178         break;
 179     }
 180     return 0;
 181 }
 182
 183 ////////////////////////////////////////////////////////////////////////////////